Hand operated air pump



FIG. 1 is a perspective view of a hand operated air pump, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a rear perspective view thereof; and,

FIG. 8 is a bottom perspective view thereof.

The broken lines on the drawings are shown for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a hand operated air pump, as shown and described. 